| article html file updated | 8 February 2020 04:06 CET | Update | https://www.mdpi.com/1660-4601/14/4/449 |
| article html file updated | 24 September 2019 10:45 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:15 CEST | Update | N/A |
| article html file updated | 28 April 2017 08:03 CEST | Update | N/A |
| article html file updated | 24 April 2017 05:07 CEST | Update | N/A |
| article xml uploaded. | 24 April 2017 05:06 CEST | Update | https://www.mdpi.com/1660-4601/14/4/449/xml |
| article pdf uploaded. | 24 April 2017 05:06 CEST | Updated version of record | https://www.mdpi.com/1660-4601/14/4/449/pdf |
| article html file updated | 21 April 2017 16:34 CEST | Original file | N/A |
| article pdf uploaded. | 21 April 2017 16:33 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/4/449/pdf-vor |
